On Baseball: Matt Harvey Era Ends With No Easy Answers for What Went Wrong

“I’m not a doctor,” Alderson said. “So did those innings contribute to thoracic outlet syndrome? Did they contribute to some other physical circumstance of his? I have no way of knowing. I don’t think anybody does.”

Boras has never definitively linked the injuries to Harvey’s workload in 2015, and did not do so on Friday. But Harvey was 27-18 with a 2.56 earned run average through the World Series, and 9-19 with a 5.93 E.R.A. thereafter. His strikeouts per nine innings plunged from 9.4 to 6.9.


Harvey talking to the Mets’ pitching coach, Dan Warthen, in glasses, and Manager Terry Collins, back to camera, about pitching the ninth inning of Game 5 of the 2015 World Series. Harvey had thrown eight shutout innings to that point.

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